note 61383 added to function.htmlentities

chars_encode() will, by default, convert ALL non-alpha-numeric and non-space characters in a string to it's ASCII HTML character code (i.e. + to &#43;). chars_decode() will decode a string encoded by chars_encode(). <?php /** * Encode each char in a string to its HTML ASCII code. * Characters encoded by this function can be decoded * by chars_decode(). * * This function will work with PHP >= 3.0.9, 4, 5. * * @author Tim Burgan <timburgan@gmail.com> * @version 1.0.0 * @link http://timburgan.com/ * @link http://php.net/manual/function.htmlentities.php * @param string $string String to encode * @param bool $encodeAll Optional. Default is false. If true all chars are encoded, if false, only non-alpha-numeric and non-space chars are encoded. * @return string Returns a string of encoded chars */ function chars_encode($string, $encodeAll = false) { // declare variables $chars = array(); $ent = null; // split string into array $chars = preg_split("//", $string, -1, PREG_SPLIT_NO_EMPTY); // encode each character for ( $i = 0; $i < count($chars); $i++ ) { if ( preg_match("/^(\w| )$/",$chars[$i]) && $encodeAll == false ) $ent[$i] = $chars[$i]; else $ent[$i] = "&#" . ord($chars[$i]) . ";"; } if ( sizeof($ent) < 1) return ""; return implode("",$ent); } /** * Decode each char in a string from its HTML ASCII code. * Characters denoded by this function were encoded * by chars_encode(). * * This function will work with PHP >= 3.0.9, 4, 5. * * @author Tim Burgan <timburgan@gmail.com> * @version 1.0.0 * @link http://timburgan.com/ * @link http://php.net/manual/function.html-entity-decode.php * @param string $string String to decode * @return string Returns a string of decoded chars */ function chars_decode($string) { // declare variables $tok = 0; $cur = 0; $chars = null; // move through the string until the end is reached while ( $cur < strlen($string) ) { // find the next token $tok = strpos($string, "&#", $cur); // if no more tokens exist, move pointer to end of string if ( $tok === false ) $tok = strlen($string); // if the current char is alpha-numeric or a space if ( preg_match("/^(\w| )$/",substr($string, $cur, 1)) ) { $chars .= substr($string, $cur, $tok - $cur); } // the current char must be the start of a token else { $cur += 2; $tok = strpos($string, ';', $cur); $chars .= chr(substr($string, $cur, $tok - $cur)); $tok++; } // move the current pointer to the next token $cur = $tok; } return $chars; } /* Example usage ***********************************************/ $string = '<a href="http://timburgan.com" rel="external" title="Go to timburgan.com">Tim Burgan</a>'; $encoded = chars_encode($string); $decoded = chars_decode($encoded); echo <<<HEREDOCS <h4>Original String Output</h4> {$string} <hr/> <h4>Encoded String Output</h4> {$encoded} <hr/> <h4>Decoded String Output</h4> {$decoded} HEREDOCS; ?> ---- Server IP: 64.246.30.37 Probable Submitter: 203.26.206.130 (proxied: 203.122.231.20) ---- Manual Page -- http://www.php.net/manual/en/function.htmlentities.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+61383 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+61383&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+61383&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+61383&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+61383&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+61383&report=yes&reason=non-english Delete: already in docs -- http://master.php.net/manage/user-notes.php?action=delete+61383&report=yes&reason=already+in+docs Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+61383&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+61383&report=yes Search -- http://master.php.net/manage/user-notes.php